Summary

IUPAC nameN,N-dimethylacetamide
Synonyms127-19-5, InChI=1S/C4H9NO/c1-4(6)5(2)3/h1-3H3, N,N-dimethyl acetamide, acetdimethylamide, dimethylacetamide, n,n-dimethylacetamide, N,N'-dimethylacetamide, NN-dimethylacetamide, NN-dimethylacetamid
CAS number127-19-5
ChemSpider ID29107
PubChem ID31374
Molecular weight87.12 Da
FormulaC4H9NO
Multiplicity1
Point groupC1
Symmetry number1
Rotatable bondsNA
StdInChiInChI=1S/C4H9NO/c1-4(6)5(2)3/h1-3H3


Liquid properties

PropertyUnitT (K)ExperimentGAFF-ESP-2012OPLSCGenFFCOSMO-RSkowwinGAFF-ESPXlogP3
ρg/l298.15937.01929.2±0.12965.3±0.12
936.83
γ0.001 N/m298.1524.1±0.4241.1±0.92
ε0298.1538.9414.6±0.4233.6±1.12
37.85
38.94
αP0.001/K298.150.9831.12±0.0320.87±0.032
0.936
κT1/GPa298.150.6330.72±0.0120.40±0.012
0.657
ΔHvapkJ/mol298.1550.23343.40±0.02261.98±0.022
50.245
48.964
log kOW298.15-0.778-0.809
-0.7710

Flexible models Hydrogen constrained All bonds constrained.


Gas properties

PropertyUnitT (K)ExperimentG2G3G4CBS-QB3W1BDW1UB3LYP/aug-cc-pVTZBSCGenFFGAFF-BCC-2018GAFF-ESP-2018AXppAXpgAXps
EkJ/mol298.15361.3311348.6012
E-scaledkJ/mol298.15359.6812
ΔHformkJ/mol0-207.911-202.111-200.311-204.811-209.211
ΔHformkJ/mol298.15-225.04-237.011-231.111-228.711-232.911-237.311
-212.01
-228.05
ΔGformkJ/mol298.15-88.54-100.511-94.611-92.911-98.611-102.611
ΔSformJ/mol K298.150.04-457.711-457.711-455.411-450.511-451.811
S0J/mol K298.150.354351.6511351.6511354.0311358.8911357.5611432.8112
351.581
S0-scaledJ/mol K298.15429.9512
ZPEkJ/mol298.15341.211328.112
ZPE-scaledkJ/mol298.15339.612
CVJ/mol K298.15101.9±2.013101.311101.311107.811108.111108.111109.412
CV-scaledJ/mol K298.15106.612
αanisoų298.151.89141.90141.8914
αxxų298.1510.081110.751410.751410.7414
αyyų298.1511.31119.91149.92149.9114
αzzų298.157.35118.61148.60148.6014
μxxD298.151.96111.94141.93141.9314
μyyD298.15-3.4011-3.3814-3.3714-3.3714
μzzD298.1511141414
θxxBuckingham298.151.12111.71141.70141.6914
θyyBuckingham298.15-2.1111-2.9714-2.8414-2.8214
θzzBuckingham298.150.71111.26141.15141.1314


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